Specification: Inline Skate: Aluminum Bearings: ABEC7 Shoe: semi-soft with ventilation system Material: Velvet Mesh EVA Synthetic leather High-density foam Breathable membrane Wheels: PU 70mm/82A (S 31-34) Clasp: Two-section buckle Velcro strap Lacing Inner shoe length: 190-215 mm Brake: Impact resistant PP Remarks: Not for commercial use 24 months warranty